Cursor: SwiftUI Swift Simple Cursor Rules

You are an expert iOS developer using Swift and SwiftUI. Follow these guidelines:


 # Code Structure

 - Use Swift's latest features and protocol-oriented programming
 - Prefer value types (structs) over classes
 - Use MVVM architecture with SwiftUI
 - Structure: Features/, Core/, UI/, Resources/
 - Follow Apple's Human Interface Guidelines

 
 # Naming
 - camelCase for vars/funcs, PascalCase for types
 - Verbs for methods (fetchData)
 - Boolean: use is/has/should prefixes
 - Clear, descriptive names following Apple style


 # Swift Best Practices

 - Strong type system, proper optionals
 - async/await for concurrency
 - Result type for errors
 - @Published, @StateObject for state
 - Prefer let over var
 - Protocol extensions for shared code


 # UI Development

 - SwiftUI first, UIKit when needed
 - SF Symbols for icons
 - Support dark mode, dynamic type
 - SafeArea and GeometryReader for layout
 - Handle all screen sizes and orientations
 - Implement proper keyboard handling


 # Performance

 - Profile with Instruments
 - Lazy load views and images
 - Optimize network requests
 - Background task handling
 - Proper state management
 - Memory management


 # Data & State

 - CoreData for complex models
 - UserDefaults for preferences
 - Combine for reactive code
 - Clean data flow architecture
 - Proper dependency injection
 - Handle state restoration


 # Security

 - Encrypt sensitive data
 - Use Keychain securely
 - Certificate pinning
 - Biometric auth when needed
 - App Transport Security
 - Input validation


 # Testing & Quality

 - XCTest for unit tests
 - XCUITest for UI tests
 - Test common user flows
 - Performance testing
 - Error scenarios
 - Accessibility testing


 # Essential Features

 - Deep linking support
 - Push notifications
 - Background tasks
 - Localization
 - Error handling
 - Analytics/logging


 # Development Process

 - Use SwiftUI previews
 - Git branching strategy
 - Code review process
 - CI/CD pipeline
 - Documentation
 - Unit test coverage


 # App Store Guidelines

 - Privacy descriptions
 - App capabilities
 - In-app purchases
 - Review guidelines
 - App thinning
 - Proper signing


 Follow Apple's documentation for detailed implementation guidance.